1
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First Alert 9120B Smoke Detector, Hardwired Alarm with Battery Backup, 3-Pack
Amazon
$65.99
2
BRK First Alert 9120BFF/ SMI100-AC Smoke Detector, Hardwired Alarm with Battery Backup, White, 1-Pack
Amazon
$23.66
3
First Alert SC7010B Hardwired Smoke and Carbon Monoxide (CO) Detector with Battery Backup
Walmart
$55
4
First Alert BRK SCO2B Smoke and Carbon Monoxide (CO) Detector with 9V Battery , White, 1 Pack
Amazon
$39.99
5
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First Alert Battery Powered Z-Wave Smoke Detector & Carbon Monoxide Alarm, Works with Ring Alarm Base Station, 2nd Generation
Amazon
$39.99
6
First Alert BRK SC9120B 85-Decibel Ionization Hardwired Smoke and Electrochemical Carbon Monoxide Detector with Battery Backup
Walmart
$50.99
7
First Alert BRK SCO2B Smoke and Carbon Monoxide (CO) Detector with 9V Battery
Walmart
$41.99
8
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First Alert Battery-Powered Ionization Smoke and Carbon Monoxide Detector
Walmart
$42.95
9
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First Alert Hard-Wired w/Battery Back-up Electrochemical/Ionization Smoke and Carbon Monoxide Detector
Walmart
$59.99
10
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First Alert Hard-Wired w/Battery Back-up Ionization Smoke/Fire Detector
Walmart
$109.99
11
First Alert BRK SC7010BV Hardwired Talking Photoelectric Smoke and Carbon Monoxide (CO) Detector
Walmart
$52.97
12
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First Alert 10 Year Battery-Powered Ionization Smoke and Carbon Monoxide Detector
Walmart
$49.95
13
First Alert 9120B Smoke Detector & Alarm, AC Powered With Battery Backup
Ebay
$24.99
14
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First Alert Battery Operated Smoke Alarm with Escape Light Detector, SA304CN3
Walmart
$17.50
15
First Alert BRK 9120Bff-6 Hardwired Smoke Detector with Battery Backup, 6-Pack
Amazon
$115.95
16
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First Alert BRK 7020BSL Hardwired Hearing Impaired Smoke Detector with LED Strobe Light , white
Amazon
$103.99
17
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First Alert Wall Mounted Smoke Detector
Wayfair
$27.75
18
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First Alert Wall Mounted Smoke Detector
Wayfair
$31.38
19
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First Alert Wall Mounted Smoke Detector
Wayfair
$37.81
20
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First Alert Wall Mounted Smoke Detector
Wayfair
$35.67